Targeting the LPA1 signaling pathway for fibrosis therapy: a patent review (2010-present)

Zhihao Gu1, Yong Yan1, Hequan Yao1

  • 1Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu, China.

Abstract

Insights

Fibrosis treatments face challenges due to complex causes. Targeting the lysophosphatidic acid receptor type 1 (LPA1) and Rho-associated coiled-coil forming protein kinase (ROCK) pathways shows promise for developing new anti-fibrosis drugs.

Area of Science:

  • Pharmacology
  • Drug Discovery
  • Fibrosis Research

Background:

  • Fibrosis is a significant cause of organ damage and mortality.
  • The lysophosphatidic acid receptor type 1 (LPA1) signaling pathway, including LPA1 and its downstream target Rho-associated coiled-coil forming protein kinase (ROCK), is implicated in fibrosis pathogenesis.
  • Developing effective anti-fibrosis drugs is challenging due to the complex mechanisms underlying the disease.

Approach:

  • This review analyzes patents for LPA1 antagonists (since 2010) and ROCK inhibitors (since 2017) using the Cortellis Drug Discovery Intelligence database.
  • The patent analysis categorizes compounds by their chemical scaffolds.
  • Data on LPA1 antagonists that have advanced into clinical trials is incorporated.

Key Points:

  • Numerous LPA1 antagonist patents have been filed for fibrosis treatment over the last decade.
  • A small number of these compounds have progressed to clinical trials.
  • Diverse chemical scaffolds are being explored by different entities for developing fibrosis therapies targeting LPA1 and ROCK.

Conclusions:

  • The LPA1 signaling pathway presents a viable target for anti-fibrosis drug development.
  • LPA1 and ROCK serve as competitive targets for novel therapeutic strategies against fibrosis.
  • Continued research into LPA1 antagonists and ROCK inhibitors may yield future treatment options for patients suffering from fibrosis.

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